{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Combination.Drug", "Effect", "Treatment.Disorder", "Subject.Race", "Subject.Age", "Treatment.Time_elapsed", "Treatment", "Treatment.Freq", "Subject.Gender", "Subject", "Treatment.Duration", "Treatment.Route"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Combination.Drug", "Treatment.Disorder", "Treatment.Time_elapsed", "Subject", "Subject.Disorder", "Treatment.Duration", "Effect", "Treatment", "Treatment.Freq", "Treatment.Dosage", "Subject.Race", "Treatment.Drug", "Subject.Population", "Treatment.Route", "Subject.Age", "Subject.Gender"]}], "input": "The nodules regressed after withdrawal of methotrexate therapy in one patient and were arrested with the addition of hydroxychloroquine in the other."}
{"adverse event": [], "potential therapeutic event": [{"trigger": "after ", "arguments": {"Combination.Drug": "NAN", "Treatment.Disorder": "nodules", "Treatment.Time_elapsed": "NAN", "Subject": "one patient", "Subject.Disorder": "NAN", "Treatment.Duration": "NAN", "Effect": "regressed", "Treatment": "withdrawal of methotrexate therapy", "Treatment.Freq": "NAN", "Treatment.Dosage": "NAN", "Subject.Race": "NAN", "Treatment.Drug": "methotrexate", "Subject.Population": "one", "Treatment.Route": "NAN", "Subject.Age": "NAN", "Subject.Gender": "NAN"}}]}